HP LaserJet 6p/mp Service Manual - Page 124

Table 7-1, Printer status messages Continued Sheet 2 of 2, Description, Recommended action

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Note Table 7-1 Printer status messages (Continued) (Sheet 2 of 2) LEDs Description Recommended action Sleep Mode. If the printer's LEDs remain off: 1. The printer is in Sleep Mode. Press the Control Panel Button or open the EP Door. 2. Power is not supplied to the printer. Check power cord connections and the power source. 3. Print an engine test to determine if the print engine is functional. If the test is successful, replace the Formatter PCA. 4. See the General Troubleshooting Flowchart earlier in this chapter. Occasionally you may add paper, close the printer door, add the toner cartridge, and clear a paper jam, only to find that the printer still displays an error message. If this happens, troubleshoot using Table 7-3 below. If the error appears and persists only after you attempt to print a page, verify that the motor is functioning. (See "Printing an Engine Test" later in this chapter.) Table 7-2 Unclearable error This error will persist if any of the three paper movement photosensors (PS201, PS202, and PS203) and/or their flags are not functional. 1. Verify that all three photosensor flags are not blocked and move freely. (See Figure 7-1 to identify photosensor flag locations.) l Paper Out Flag (PS202) (See Figure 5-6.) l Paper Registration Flag (PS203) (See Figure 5-6.) l Exit Sensor Flag (PS201) (See Figure 6-18.) 2. Verify that all connectors are firmly seated. (See Figure 7-2 to identify connector locations on the DC controller.) l Door closed/EP Cartridge Photosensor connector (5L only) l Paper-Out and Registration Photosensor Connector (See Figure 5-6.) Note: There is no connector for the Exit Photosensor (PS201) since it is located on the DC Controller PCA. This flag is located beneath the Fusing Assembly. (Refer to Figure 6-18.) If all of the flags move freely and all of the connectors are correctly seated, yet the error persists, replace the DC Controller PCA. 122 Troubleshooting EN

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122
Troubleshooting
EN
Occasionally you may add paper, close the printer door, add the toner cartridge, and clear a paper
jam, only to find that the printer still displays an error message. If this happens, troubleshoot using
Table 7-3 below.
Note
If the error appears and persists only after you attempt to print a page, verify that the motor is
functioning. (See “Printing an Engine Test” later in this chapter.)
Sleep Mode
.
If the printer’s LEDs remain off:
1. The printer is in Sleep Mode. Press the
Control Panel Button or open the EP Door.
2. Power is not supplied to the printer. Check
power cord connections and the power source.
3. Print an engine test to determine if the print
engine is functional. If the test is successful,
replace the Formatter PCA.
4. See the General Troubleshooting Flowchart
earlier in this chapter.
Table 7-1
Printer status messages (Continued) (Sheet 2 of 2)
LEDs
Description
Recommended action
Table 7-2
Unclearable error
This error will persist if any of the three paper movement photosensors (PS201,
PS202, and PS203) and/or their flags are not functional.
1. Verify that all three photosensor flags are not blocked and move freely. (See Figure
7-1 to identify photosensor flag locations.)
l
Paper Out Flag (PS202) (See Figure 5-6.)
l
Paper Registration Flag (PS203) (See Figure 5-6.)
l
Exit Sensor Flag (PS201) (See Figure 6-18.)
2. Verify that all connectors are firmly seated. (See Figure 7-2 to identify connector
locations on the DC controller.)
l
Door closed/EP Cartridge Photosensor connector (5L only)
l
Paper-Out and Registration Photosensor Connector (See Figure 5-6.)
Note
:
There is no connector for the Exit Photosensor (PS201) since it is located on
the DC Controller PCA. This flag is located beneath the Fusing Assembly. (Refer to
Figure 6-18.)
If all of the flags move freely and all of the connectors are correctly seated, yet the
error persists, replace the DC Controller PCA.